Which of the following is NOT true about constant weighing in the experiment? Constant weight is achieved when two consecutive measured weights agree within plus or minus 0.3 mg. It involves a cycle of heating, cooling, and weighing. A proportionality constant will be multiplied to the measured weight to account for loss of water. A desiccator is used to avoid moisture to be absorbed by the sample.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter11: Intermolecular Forces And Liquids
Section11.6: Properties Of Liquids
Problem 1.2ACP
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  1. Which of the following is NOT true about constant weighing in the experiment?

     
    1. Constant weight is achieved when two consecutive measured weights agree within plus or minus 0.3 mg.

       
    2. It involves a cycle of heating, cooling, and weighing.

       
    3. A proportionality constant will be multiplied to the measured weight to account for loss of water.

       
    4. A desiccator is used to avoid moisture to be absorbed by the sample.

       
       
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